EP0469518A3 - Toner sealing material - Google Patents

Toner sealing material Download PDF

Info

Publication number
EP0469518A3
EP0469518A3 EP19910112717 EP91112717A EP0469518A3 EP 0469518 A3 EP0469518 A3 EP 0469518A3 EP 19910112717 EP19910112717 EP 19910112717 EP 91112717 A EP91112717 A EP 91112717A EP 0469518 A3 EP0469518 A3 EP 0469518A3
Authority
EP
European Patent Office
Prior art keywords
sealing material
toner sealing
toner
sealing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19910112717
Other versions
EP0469518A2 (en
EP0469518B1 (en
Inventor
Yashuhiro Fukumoto
Yasutoyo Kotani
Chiaki Kato
Masaya Nishi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OFF.TA PUB.CO LIC.ZA USO NON ESCLUSIVO OFFERTA LIC
Original Assignee
Sumitomo Electric Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of EP0469518A2 publication Critical patent/EP0469518A2/en
Publication of EP0469518A3 publication Critical patent/EP0469518A3/en
Application granted granted Critical
Publication of EP0469518B1 publication Critical patent/EP0469518B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/06Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0806Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0817Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the lateral sealing at both sides of the donor member with respect to the developer carrying direction

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Gasket Seals (AREA)
EP91112717A 1990-07-30 1991-07-29 Toner sealing material Expired - Lifetime EP0469518B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2202682A JPH0485571A (en) 1990-07-30 1990-07-30 Toner sealing material
JP202682/90 1990-07-30

Publications (3)

Publication Number Publication Date
EP0469518A2 EP0469518A2 (en) 1992-02-05
EP0469518A3 true EP0469518A3 (en) 1992-07-22
EP0469518B1 EP0469518B1 (en) 1995-05-17

Family

ID=16461411

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91112717A Expired - Lifetime EP0469518B1 (en) 1990-07-30 1991-07-29 Toner sealing material

Country Status (4)

Country Link
US (1) US5274425A (en)
EP (1) EP0469518B1 (en)
JP (1) JPH0485571A (en)
DE (1) DE69109760T2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5585895A (en) * 1991-12-19 1996-12-17 Canon Kabushiki Kaisha Developing device and process cartridge with it
DE69314889T2 (en) * 1992-08-31 1998-04-02 Kabushiki Kaisha Tec, Shizuoka Development and cleaning device used in an electrophotographic apparatus
JP2597024Y2 (en) * 1992-11-06 1999-06-28 ミノルタ株式会社 Developing device
JPH0792887A (en) * 1993-07-20 1995-04-07 Canon Inc Sealing member, process cartridge, image forming device and method for assembling process cartridge
JP3093918B2 (en) * 1993-11-25 2000-10-03 キヤノン株式会社 Developing device
JPH08129305A (en) * 1994-10-31 1996-05-21 Nec Corp Developing device
JP3618984B2 (en) * 1997-11-11 2005-02-09 キヤノン株式会社 Developing device and process cartridge
ATE251768T1 (en) * 1999-08-23 2003-10-15 Brother Ind Ltd METHOD FOR ASSEMBLY OF A DEVELOPER APPARATUS
US6901228B2 (en) * 2001-03-27 2005-05-31 Brother Kogyo Kabushiki Kaisha Developing agent container including a sealing element for preventing developing agent from leaking out
US6975342B2 (en) * 2002-10-17 2005-12-13 Hewlett-Packard Development Company, L.P. Print cartridge
JP5693789B2 (en) * 2012-04-30 2015-04-01 進 庄司 End seal material for electrophotographic image forming apparatus
JP2016212321A (en) * 2015-05-12 2016-12-15 株式会社リコー Belt device and image formation device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4108112A (en) * 1977-05-31 1978-08-22 Xerox Corporation Developer housing
DE3225883C2 (en) * 1981-07-10 1985-09-05 Ricoh Co., Ltd., Tokio/Tokyo Developing device for a copier
US4398494A (en) * 1982-02-02 1983-08-16 Beloit Corporation End dam seal for blade type fountain coaters
JPS5949569A (en) * 1982-09-14 1984-03-22 Canon Inc Developing device
US4640600A (en) * 1982-10-15 1987-02-03 Canon Kabushiki Kaisha Fixing device
JPS61129664A (en) * 1984-11-29 1986-06-17 Toshiba Corp Developing device
JPS62192770A (en) * 1986-02-20 1987-08-24 Fuji Xerox Co Ltd One component developing device
JPS6448086A (en) * 1987-08-18 1989-02-22 Seiko Epson Corp Cleaning device

Also Published As

Publication number Publication date
EP0469518A2 (en) 1992-02-05
JPH0485571A (en) 1992-03-18
EP0469518B1 (en) 1995-05-17
DE69109760T2 (en) 1995-09-21
DE69109760D1 (en) 1995-06-22
US5274425A (en) 1993-12-28

Similar Documents

Publication Publication Date Title
GB2251040B (en) Seal arrangement
GB2245666B (en) Floating seal arrangement
EP0463822A3 (en) Toner
GB9000426D0 (en) Improved seal
EP0480067A4 (en) Masking material
GB9023112D0 (en) Waterproofing material
EP0469518A3 (en) Toner sealing material
GB2246822B (en) Static seal
EP0439072A3 (en) Electrophotographic light-sensitive material
GB9414637D0 (en) Presure-sensitive copying material
GB2251274B (en) Seal
GB9024026D0 (en) Seal
EP0432727A3 (en) Electrophotographic light-sensitive material
EP0440226A3 (en) Electrophotographic light-sensitive material
GB2251260B (en) Sealing arrangement
EP0410324A3 (en) Electrophotographic light-sensitive material
EP0483377A4 (en) Masking material
GB2247499B (en) Seal
GB2240985B (en) Sheet sealing material
GB9000543D0 (en) Material
EP0407936A3 (en) Electrophotographic light-sensitive material
EP0416591A3 (en) Electrophotographic light-sensitive material
EP0405499A3 (en) Electrophotographic light-sensitive material
EP0444653A3 (en) Electrophotographic light-sensitive material
EP0522537A3 (en) Photoconductive material

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB IT

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB IT

17P Request for examination filed

Effective date: 19920901

17Q First examination report despatched

Effective date: 19940616

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

REF Corresponds to:

Ref document number: 69109760

Country of ref document: DE

Date of ref document: 19950622

ITF It: translation for a ep patent filed
ET Fr: translation filed
ITPR It: changes in ownership of a european patent

Owner name: OFF.TA PUB.CO LIC.ZA USO NON ESCLUSIVO OFFERTA LIC

REG Reference to a national code

Ref country code: GB

Ref legal event code: 746

Effective date: 19951115

REG Reference to a national code

Ref country code: FR

Ref legal event code: D6

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19990709

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19990728

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19990802

Year of fee payment: 9

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000729

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20000729

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20010330

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20010501

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050729